Journal of Magnetics

  • 제19권4호
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  • Pages.393-398
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  • 2014
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  • 1226-1750(pISSN)
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  • 2233-6656(eISSN)
한국자기학회 (The Korean Magnetics Society)
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Design of Coaxial Magnetic Gear for Improvement of Torque Characteristics

  • Shin, H.M. (Electrical Engineering Department, Dong-A University) ;
  • Chang, J.H. (Electrical Engineering Department, Dong-A University)
  • 투고 : 2014.08.01
  • 심사 : 2014.09.25
  • 발행 : 2014.12.31
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초록

This paper proposes new types of models that have coaxial magnetic gear (CMG) configurations to increase torque transmission capability. They have flux concentrating structures at the outer low speed rotor, and permanent magnets (PMs) are embedded in the space between stationary pole pieces. The torque performances of the proposed models are compared with those of a basic CMG model. The harmonic torque components due to air gap field harmonics are also analyzed to investigate the torque contribution of each harmonic by using finite element analysis (FEA) and the Maxwell stress tensor. The proposed CMG model is optimized to have high torque density with low torque ripples by response surface methodology (RSM). Compared to the basic CMG model, the proposed model has a huge increase in transmitted torque density, and is very advantageous in term of PM use.

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참고문헌

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피인용 문헌

  1. Vibration and noise characteristics of coaxial magnetic gear according to low-speed rotor structure vol.31, pp.6, 2017, https://doi.org/10.1007/s12206-017-0515-4